inetnum: 188.8.131.52 - 184.108.40.206 netname: IPT-NL-AKAMAI-008A descr: Akamai International - site IPT-NL-AKAMAI-008 country: NL admin-c: NARA1-RIPE tech-c: NARA1-RIPE status: ASSIGNED PA mnt-by: AS286-MNT created: 2011-03-08T11:55:14Z last-modified: 2011-03-08T11:55:14Z source: RIPE role: Network Architecture Role Account address: Akamai Technologies address: 8 Cambridge Center address: Cambridge, MA 02142 phone: +1-617-938-3130 e-mail: firstname.lastname@example.org abuse-mailbox: email@example.com admin-c: NF1714-RIPE admin-c: CKAK-RIPE tech-c: NF1714-RIPE tech-c: JP1944-RIPE tech-c: APB15-RIPE tech-c: CKAK-RIPE tech-c: MH7314-RIPE tech-c: TBAK-RIPE tech-c: NB782-RIPE tech-c: RM4844-RIPE nic-hdl: NARA1-RIPE notify: firstname.lastname@example.org mnt-by: AKAM1-RIPE-MNT created: 2002-03-06T09:02:17Z last-modified: 2015-12-16T10:45:25Z source: RIPE route: 220.127.116.11/21 descr: KPN B.V. origin: AS286 mnt-by: AS286-MNT notify: email@example.com created: 2012-07-11T13:12:51Z last-modified: 2012-07-11T13:12:51Z source: RIPE
IP address subranges within this IP range
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.